
Call 1800-123-2003
"Smartindia is the best online tool for school students." Ms Deepa Chandran, Principal Anchal
"Smartindia is one of the best supplementary education tool for school students." Ms Pooja, Principal
AN ATHLET COMPLETES 1 ROUND OF A CIRCULAR TRACK OF DIAMETER 200M IN 40s .WHAT WILL BE THE DISTANCE COVERED AND THE DISPLACEMENT AT THE END OF 2 min 20 s |
Time=2m and 20 seconds ( converts it into second) s0 time in seconds = 140 seconds now v=w*r = 2*22/7*100 40 seconds = 2 * 22/7 *100 1 second = 2 * 22/7 * 100/40 140 second = 2 * 22/7 * 100/40 * 400 so, it gives = 2200 m so the distance is 2200 m and the displacement is 200 m |